Skip to main contentSkip to solution

IPMAT Indore 2024 PYQsShort Answers (Quants). Free, no login required.

The number of pairs (x,y)(x, y) of integers satisfying the inequality ∣x−5∣+∣y−5∣≤6|x - 5| + |y - 5| \leq 6 is:

Entered answer:

Solution

✅ Correct Answer: 85
Solution figure for IPMAT Indore 2024 SA question 11 (Algebra)

or

|x-5| + |y-5| ≤ 6

For the inequality

|x-a| + |y-b| ≤ n,

the number of integral lattice points is

N = 2n² + 2n + 1

Putting n = 6,

N = 2(6)² + 2(6) + 1

= 72 + 12 + 1

= 85

Hence, the number of pairs is 85.

Keyboard Shortcuts

  • Left arrow: Previous question
  • Right arrow: Next question
  • S key: Jump to solution
  • Q key: Jump to question